{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:48.104598", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Jul-07_to_2020-Jul-17_151.0_-6.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020070001736}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "July 07 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 141827.0321037962}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Bismarck Sea", "Solomon Sea", "South Pacific Ocean"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -6.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 151.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "151.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 154.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.47, -1.47], [151.0, -1.25], [151.25, -1.35], [151.5, -1.25], [151.75, -1.35], [152.0, -1.25], [152.53, -1.47], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.25, -1.85], [153.5, -1.75], [153.75, -1.85], [154.0, -1.75], [154.53, -1.97], [154.75, -2.5], [154.53, -3.03], [154.0, -3.25], [153.75, -3.15], [153.5, -3.25], [153.25, -3.15], [153.18, -3.18], [153.04, -3.5], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.25, -4.65], [152.0, -4.75], [151.75, -4.65], [151.5, -4.75], [150.97, -4.53], [150.75, -4.0], [150.88, -3.7], [150.47, -3.53], [150.25, -3.0], [150.46, -2.5], [150.25, -2.0], [150.47, -1.47]], [[151.68, -3.18], [151.63, -3.3], [151.75, -3.35], [151.88, -3.3], [151.82, -3.18], [151.75, -3.15], [151.68, -3.18]]]]}, "2020-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.35, -4.25], [148.25, -4.0], [148.47, -3.47], [148.82, -3.32], [148.97, -2.97], [149.5, -2.75], [149.75, -2.85], [150.0, -2.75], [150.25, -2.85], [150.32, -2.82], [150.35, -2.75], [150.25, -2.5], [150.35, -2.25], [150.25, -2.0], [150.47, -1.47], [151.0, -1.25], [151.25, -1.35], [151.5, -1.25], [151.75, -1.35], [152.0, -1.25], [152.53, -1.47], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.25, -1.85], [153.5, -1.75], [153.75, -1.85], [154.0, -1.75], [154.53, -1.97], [154.75, -2.5], [154.53, -3.03], [154.0, -3.25], [153.75, -3.15], [153.5, -3.25], [153.25, -3.15], [153.18, -3.18], [153.04, -3.5], [153.25, -4.0], [153.15, -4.25], [153.25, -4.5], [153.03, -5.03], [152.5, -5.25], [152.25, -5.15], [152.18, -5.18], [152.04, -5.5], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.75, -6.65], [150.5, -6.75], [149.97, -6.53], [149.75, -6.0], [149.88, -5.7], [149.75, -5.65], [149.5, -5.75], [149.25, -5.65], [149.0, -5.75], [148.47, -5.53], [148.25, -5.0], [148.35, -4.75], [148.25, -4.5], [148.35, -4.25]]]]}, "2020-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.35, -4.25], [148.25, -4.0], [148.47, -3.47], [148.82, -3.32], [148.97, -2.97], [149.5, -2.75], [149.75, -2.85], [150.0, -2.75], [150.25, -2.85], [150.32, -2.82], [150.35, -2.75], [150.25, -2.5], [150.35, -2.25], [150.25, -2.0], [150.47, -1.47], [151.0, -1.25], [151.25, -1.35], [151.5, -1.25], [151.75, -1.35], [152.0, -1.25], [152.53, -1.47], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.25, -1.85], [153.5, -1.75], [153.75, -1.85], [154.0, -1.75], [154.53, -1.97], [154.75, -2.5], [154.53, -3.03], [154.0, -3.25], [153.75, -3.15], [153.5, -3.25], [153.25, -3.15], [153.18, -3.18], [153.04, -3.5], [153.25, -4.0], [153.15, -4.25], [153.25, -4.5], [153.03, -5.03], [152.5, -5.25], [152.25, -5.15], [152.18, -5.18], [152.04, -5.5], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.75, -6.65], [150.5, -6.75], [149.97, -6.53], [149.75, -6.0], [149.88, -5.7], [149.75, -5.65], [149.5, -5.75], [149.25, -5.65], [149.0, -5.75], [148.47, -5.53], [148.25, -5.0], [148.35, -4.75], [148.25, -4.5], [148.35, -4.25]]]]}, "2020-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -4.0], [148.47, -3.47], [148.82, -3.32], [148.97, -2.97], [149.5, -2.75], [149.75, -2.85], [150.0, -2.75], [150.25, -2.85], [150.32, -2.82], [150.35, -2.75], [150.25, -2.5], [150.47, -1.97], [151.0, -1.75], [151.53, -1.97], [151.68, -2.32], [152.03, -2.47], [152.18, -2.82], [152.53, -2.97], [152.68, -3.32], [153.03, -3.47], [153.25, -4.0], [153.15, -4.25], [153.25, -4.5], [153.03, -5.03], [152.5, -5.25], [152.25, -5.15], [152.18, -5.18], [152.04, -5.5], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.75, -6.65], [150.5, -6.75], [149.97, -6.53], [149.75, -6.0], [149.88, -5.7], [149.75, -5.65], [149.5, -5.75], [149.25, -5.65], [149.0, -5.75], [148.47, -5.53], [148.25, -5.0], [148.35, -4.75], [148.25, -4.5], [148.35, -4.25], [148.25, -4.0]]], [[[152.75, -2.5], [152.97, -1.97], [153.5, -1.75], [153.75, -1.85], [154.0, -1.75], [154.53, -1.97], [154.75, -2.5], [154.53, -3.03], [154.0, -3.25], [153.75, -3.15], [153.5, -3.25], [152.97, -3.03], [152.75, -2.5]]]]}, "2020-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -5.0], [148.47, -4.47], [149.0, -4.25], [149.5, -4.46], [150.0, -4.25], [150.25, -4.35], [150.5, -4.25], [150.75, -4.35], [150.82, -4.32], [150.97, -3.97], [151.32, -3.82], [151.47, -3.47], [152.0, -3.25], [152.25, -3.35], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.68, -4.68], [152.53, -5.03], [152.18, -5.18], [152.15, -5.25], [152.25, -5.5], [152.15, -5.75], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.47, -6.53], [150.25, -6.0], [150.38, -5.7], [150.25, -5.65], [150.0, -5.75], [149.5, -5.54], [149.0, -5.75], [148.47, -5.53], [148.25, -5.0]]], [[[153.47, -3.03], [153.25, -2.5], [153.47, -1.97], [154.0, -1.75], [154.53, -1.97], [154.75, -2.5], [154.53, -3.03], [154.0, -3.25], [153.47, -3.03]]]]}, "2020-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.47, -5.53], [148.25, -5.0], [148.47, -4.47], [149.0, -4.25], [149.5, -4.46], [150.0, -4.25], [150.25, -4.35], [150.5, -4.25], [150.75, -4.35], [150.82, -4.32], [150.97, -3.97], [151.32, -3.82], [151.47, -3.47], [152.0, -3.25], [152.25, -3.35], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.68, -4.68], [152.53, -5.03], [152.13, -5.2], [152.25, -5.5], [152.15, -5.75], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.47, -6.53], [150.25, -6.0], [150.38, -5.7], [150.25, -5.65], [150.0, -5.75], [149.5, -5.54], [149.0, -5.75], [148.47, -5.53]]]]}, "2020-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.5, -4.75], [152.03, -4.97], [152.25, -5.5], [152.15, -5.75], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.47, -6.53], [150.25, -6.0], [150.47, -5.47], [150.82, -5.32], [150.97, -4.97], [151.5, -4.75]]]]}, "2020-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.5, -4.75], [152.03, -4.97], [152.25, -5.5], [152.15, -5.75], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.47, -6.53], [150.25, -6.0], [150.47, -5.47], [150.82, -5.32], [150.97, -4.97], [151.5, -4.75]]]]}, "2020-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.47, -6.53], [149.25, -6.0], [149.47, -5.47], [150.0, -5.25], [150.25, -5.35], [150.5, -5.25], [150.75, -5.35], [150.82, -5.32], [150.97, -4.97], [151.5, -4.75], [152.03, -4.97], [152.25, -5.5], [152.15, -5.75], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.0, -6.75], [150.75, -6.65], [150.5, -6.75], [150.25, -6.65], [150.0, -6.75], [149.47, -6.53]]]]}, "2020-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.47, -6.53], [149.25, -6.0], [149.47, -5.47], [150.0, -5.25], [150.25, -5.35], [150.5, -5.25], [151.03, -5.47], [151.25, -6.0], [151.03, -6.53], [150.5, -6.75], [150.25, -6.65], [150.0, -6.75], [149.47, -6.53]]]]}, "2020-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.47, -6.53], [149.25, -6.0], [149.47, -5.47], [150.0, -5.25], [150.25, -5.35], [150.5, -5.25], [151.03, -5.47], [151.25, -6.0], [151.03, -6.53], [150.5, -6.75], [150.25, -6.65], [150.0, -6.75], [149.47, -6.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0217826212833074}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.181769367891647}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.116325993069665, 27.92788108296878, 27.833800260152827, 27.53375286636731, 26.485720077779547, 26.588377703225376, 24.60771977678536, 24.936825742029782, 24.588114182756556, 23.529243188540306, 23.543516646571106]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.69099857909964, 28.907803116169532, 28.699697787248567, 28.553331498685168, 28.13391142424439, 28.120989299518442, 26.77345661975579, 27.30453060849578, 27.358921774009275, 23.872312931266492, 23.880420931094648]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3073648202406543, 1.3493772298363806, 1.2640386369336134, 1.0470192479389355, 0.8432864282292135, 1.006337298143292, 0.8253842761435332, 1.1705696032786175, 1.2880444614790463, 0.916862867595313, 0.94641802118133]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8160659631031422, 2.0217826212833074, 1.8044785881648977, 1.4384591312411885, 1.0994250508765049, 1.34207750777108, 0.9090154379226192, 1.3189951911854791, 1.4312562810499116, 0.9641618790650455, 0.9884673760546434]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.1533143971752327, 2.305652139898651, 2.175924048476442, 1.825946418116646, 1.610432182280719, 1.9545154089086365, 1.5110943188762895, 2.1224251538190786, 2.1907152282595175, 1.4148168217616823, 1.4803691212447294]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.822789448769115, 3.0957641275244594, 2.9157032796940086, 2.310546435361438, 1.9562837991985382, 2.444514087017029, 1.7481253383107016, 2.57899929416632, 2.6662741487764983, 1.4807827799929083, 1.5445542143993851]}}